Olympus OM-1 Repair Manual page 98

E-7.
Page
II. SHUTTER AND MIRROR:
1. Excessive or insufficient speed of the curtains .. 17
2
.
1
st curtain bounces..
3. Adjustment of "B" shutter speed.22
4. Shutter timing..
5. Improper timing at high shutter speeds .2 5
6
. Improper timing at low shutter speeds..
7. Irregular shutter timing at low speeds.27
8
. Irregularity in Curtain Speeds.32
9
. Even when the mirror is raised, it does not reach the
topmost position. During mirror-up operation, the
MU knob gets heavy towards the end of its motion.. 35
10. Mirror bounds while being raised..
III. EXPOSURE METER:
1
. The meter needle gets stuck.36
2
. Inaccurate indications ..
3. Improper operation of CA8879 (Ring).40
4. improper adjustment of CA8948 (Screw) ...
43
5
. Dial gear operation. 44
6
. Changes in CdS Features . 45
7
. Warning switch adjustment. 46
IV. MAJOR FUNCTIONS:
Poor focus.
47
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